2020695895663 has 2 divisors, whose sum is σ = 2020695895664. Its totient is φ = 2020695895662.

The previous prime is 2020695895649. The next prime is 2020695895681. The reversal of 2020695895663 is 3665985960202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020695895663 - 2¹³ = 2020695887471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020695895613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010347947831 + 1010347947832.

It is an arithmetic number, because the mean of its divisors is an integer number (1010347947832).

Almost surely, 2^{2020695895663} is an apocalyptic number.

2020695895663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020695895663 is an equidigital number, since it uses as much as digits as its factorization.

2020695895663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 2020695895663 in words is "two trillion, twenty billion, six hundred ninety-five million, eight hundred ninety-five thousand, six hundred sixty-three".